File:Patent-US-2180560.pdf

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Original file(1,159 × 1,704 pixels, file size: 120 KB, MIME type: application/pdf, 3 pages)
Inventor

Herman K. Stempel

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

250289

Application Date

1939-01-11

Patent N°

2180560

Brevettato

1939-11-21

Priorità

1939-01-11

Brand

Sheaffer

Title

Writing instrument

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per la lavorazione esterna dell'impugnatura di una matita meccanica.

File history

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Date/TimeThumbnailDimensionsUserComment
current00:35, 15 July 2012Thumbnail for version as of 00:35, 15 July 20121,159 × 1,704, 3 pages (120 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Herman K. Stempel |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=250289 |ApplicationDate=1939-01-11 |PatentNum=2180560 |PatentDate=1939-11-21 |PriorityDate=1939-01-11 |Titolo=Writing instrument |Marca=Sheaffer |...
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关于“Patent-US-2180560.pdf”的事实
Application date1939年1月11日 (三) +
Application number250289 +
Assigned toW. A. Sheaffer Pen Company +
Invented byHerman K. Stempel +
Patent date1939年11月21日 (二) +
Patent descriptionMatita meccanica +
Patent number2180560 +
Patent titleWriting instrument +
Patented byW. A. Sheaffer Pen Company +
Patented inUS +
Priority date1939年1月11日 (三) +